Using KEYLESS-GO to start the engine

As long as the SmartKey is in your vehicle, the WARNING
As long as the SmartKey is in your vehicle, the vehicle can be started. Therefore, never leave children unattended in the vehicle, as they could otherwise accidentally start the engine.
When leaving the vehicle, always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle, or with access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury.

The Start/Stop button can be used to The Start/Stop button can be used to start the vehicle without inserting the SmartKey into the ignition lock. The Start/ Stop button must be inserted into the ignition lock and the SmartKey must be in the vehicle.

- Depress the brake pedal and keep it depressed.
- To start a gasoline engine: press the Start/Stop button once.
The engine starts.
- To start a diesel engine: press the Start/Stop button once.
Preglow is activated and the engine starts.

    See also:

    Remote vehicle unlocking
    If you have unintentionally locked your vehicle (e.g. the SmartKey is still in the vehicle) and a replacement SmartKey is not available, the vehicle can be opened by a Mercedes-Benz Customer A ...

    Maintenance
    The Service and Warranty Booklet describes all the necessary maintenance work which should be done at regular intervals. Always have the Service and Warranty Booklet with you when you bring the ...

    Important safety notes
    When loading the vehicle, make sure that you do not stack the load in the cargo compartment higher than the lower edge of the side windows. Do not place heavy objects on top of the cargo compar ...